Single-photon detection device, single-photon detector, and single-photon detector array
AssigneeKorea Institute of Science and Technology
InventorMyung-Jae LEE
Life of this patent
Estimating the term…
Abstract
A single-photon detection device includes a first well having a first conductivity type, a second well provided on the first well and having a second conductivity type that is different from the first conductivity type, a first depletion forming region provided on the second well and having the first conductivity type, a main depletion region provided between the first well and the second well, and a first sub-depletion region provided between the second well and the first depletion forming region, wherein the first well and the first depletion forming region are spaced apart from each other by the second well.
Claims23
A single-photon detection device comprising:
- a first well having a first conductivity type;
- a second well provided on the first well and having a second conductivity type that is different from the first conductivity type;
- a first depletion forming region provided on the second well and having the first conductivity type;
- a main depletion region provided between the first well and the second well;
- and
- a first sub-depletion region provided between the second well and the first depletion forming region,
- wherein the first well and the first depletion forming region are spaced apart from each other by the second well.
A single-photon detector comprising:
- a single-photon detection device configured to generate an electrical signal by receiving light;
- a control layer configured to process the electrical signal;
- and
- a lens unit configured to receive the light from outside and focus the light on the single-photon detection device,
- wherein the single-photon detection device comprises a first well having a first conductivity type, a second well provided on the first well and having a second conductivity type that is different from the first conductivity type, a first depletion forming region provided on the second well and having the first conductivity type, a main depletion region provided between the first well and the second well, and a first sub-depletion region provided between the second well and the first depletion forming region,
- wherein the first well and the first depletion forming region are spaced apart from each other by the second well.
A single-photon detector array comprising:
- a plurality of single-photon detection devices configured to generate an electrical signal by receiving light;
- a control layer configured to process the electrical signal;
- and
- a plurality of lenses configured to receive the light from outside and respectively focus the light on the plurality of single-photon detection devices,
- wherein each of the plurality of single-photon detection devices comprises a first well having a first conductivity type, a second well provided on the first well and having a second conductivity type that is different from the first conductivity type, a first depletion forming region provided on the second well and having the first conductivity type, a main depletion region provided between the first well and the second well, and a first sub-depletion region provided between the second well and the first depletion forming region,
- wherein the first well and the first depletion forming region are spaced apart from each other by the second well.
Dependencies are inferred from the claim text.